1639105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 2145024

約数和(自身を除く): 505919

約数列:

[1, 5, 13, 65, 151, 167, 755, 835, 1963, 2171, 9815, 10855, 25217, 126085, 327821, 1639105]

約数ペア:

[(1, 1639105), (5, 327821), (13, 126085), (65, 25217), (151, 10855), (167, 9815), (755, 2171), (835, 1963)]